Finding the Fourth Proportional to 1,863,660.93, 2,565,505.22 and 1,379,313.33
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Solution
The fourth proportional to 1,863,660.93, 2,565,505.22 and 1,379,313.33 is: 1,898,755.02
Step by Step Solution
- Step 1: Write the proportion equation
1,863,660.93 : 2,565,505.22 = 1,379,313.33 : x - Step 2: Convert to fraction form
1,863,660.93/2,565,505.22 = 1,379,313.33/x - Step 3: Cross multiply
1,863,660.93x = 2,565,505.22 × 1,379,313.33 - Step 4: Simplify right side
1,863,660.93x = 3,538,635,541,234.02 - Step 5: Solve for x
x = 3,538,635,541,234.02/1,863,660.93 - Step 6: Final answer
x = 1,898,755.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.